Perhaps you should try some spelling variations:
communication model » communication media
outer developments » other developments, later developments, oer developments
developments 4 » developments _
model outer » model order, model output, model matter
flows pre » flows grew, flows pt
4 afrique » l afrique, en afrique, 2014 afrique
pre risk » price risk, fire risk, more risk

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologies _ information flows pre risk communication model outer developments 4 afrique.*.